Al-Malabeh, M. ; Kempe, S. (2009):
Petrolithology of the Permian melaphyre lavas, Darmstadt, Germany.
In: N. Jb. Geol. Paläont. Abh., (252/2), pp. 129-143. [Article]

Al-Malabeh, M. ; Fryhat, M. ; Henschel, H.-V. ; Kempe, S. (2006):
Al-Fahde Cave, Jordan, the longest lava cave yet reported from the Arabian Peninsula.
In: XII. International Symposium on Volcanospeleology <Tepoztlán/Mexiko,2006> ; Abstract Volume 23, [Conference or Workshop Item]

Kempe, S. ; Al-Malabeh, M. ; Frehat, M. ; Henschel, Horst-Volker (2006):
Hyena caves in Jordan.
In: International Cave Bear Symposium <12, 2005, Airdea>: Abstract book ... Airdea, Macedonia, Greece, 2-5 November 2005.- S. 31-32, [Conference or Workshop Item]

Kempe, S. ; Al-Malabeh, M. ; Fryhat, M. ; Henschel, Horst-Volker (2006):
State of lava cave research in Jordan.
In: XII. International Symposium on Volcanospeleology <Tepoztlán/Mexiko,2006> ; Abstract Volume 24, [Conference or Workshop Item]